There is at present some pressure for more captions or subtitles to be made available on web content among other places (search for example with #captionTHIS on Twitter). However, for some Deaf people or people with hearing difficulties this may not help as there are other factors involved such as the speed of captions appearing on the screen, particularly with literal translation, and also the reading ability of the person. People who may have sign language but have low or no reading ability of English or their national language, are therefore often excluded from national life and isolated. Here are a few articles from Medline (via PubMed) that look at subtitles or captions: